EP3227938A1 - Batterie ayant une meilleure dissipation de chaleur - Google Patents

Batterie ayant une meilleure dissipation de chaleur

Info

Publication number
EP3227938A1
EP3227938A1 EP15775443.3A EP15775443A EP3227938A1 EP 3227938 A1 EP3227938 A1 EP 3227938A1 EP 15775443 A EP15775443 A EP 15775443A EP 3227938 A1 EP3227938 A1 EP 3227938A1
Authority
EP
European Patent Office
Prior art keywords
battery
heat
battery cells
plate
battery according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15775443.3A
Other languages
German (de)
English (en)
Other versions
EP3227938B1 (fr
Inventor
Volker Jabs
Simone Maier
Christoph Schumacher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to PL15775443T priority Critical patent/PL3227938T3/pl
Publication of EP3227938A1 publication Critical patent/EP3227938A1/fr
Application granted granted Critical
Publication of EP3227938B1 publication Critical patent/EP3227938B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/55—Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/90—Batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643—Cylindrical cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
    • H01M6/5038—Heating or cooling of cells or batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a battery with an improved
  • the battery according to the invention can be a non-rechargeable battery or a rechargeable battery
  • Batteries are known from the prior art in various configurations. For example, in electric bicycles batteries are provided, which are rechargeable, with a plurality of battery cells in one
  • Plastic housing are arranged. During operation, the battery cells generate heat. The battery cells are heated by convection. Due to the constantly evolving state of the art with respect to batteries, there are constantly higher capacities, which also necessitate a higher heat dissipation when using and charging the batteries. There is therefore a need for novel ones
  • the battery according to the invention with the features of claim 1 has the advantage that even with a higher capacity of the battery safe cooling of the battery is necessary. Thereby, an improved performance during operation can be ensured and also a life of the batteries can be significantly extended.
  • the battery comprises a plurality of battery cells and a housing in which the battery cells are arranged. Further, a sauceleitstsammlung is provided, which is arranged between the battery cells and touches at least one of the battery cells.
  • the heat conducting strip has a heat dissipating area, which is set up for contact with a heat dissipating element.
  • the frame tube is significantly cooler than the battery cells, a very good cooling of the battery cells can be done via the rondleitst Shape.
  • the heat conducting strip is preferably made of a metallic material, and has a very good heat-conducting property. Thus, by means of the heat-conducting strip, heat can be conducted from the interior of the battery to the outside.
  • Heat conduction can be much better heat derived from the battery cells, as for example, by convection or thermal radiation.
  • the heat-dissipating element is integrated in the housing.
  • the housing can be made of different materials while still providing safe heat dissipation via the integrated,
  • the heat-dissipating element is particularly preferably a first plate-shaped element.
  • the use of a plate-shaped element has the advantage that a large heat release surface is provided, so that a safe and rapid heat dissipation is possible.
  • the housing comprises a plastic main body, wherein between the plastic main body and the heat-dissipating member, a seal is arranged.
  • the seal is preferably provided circumferentially and ensures that no moisture or dust or the like. Get inside the battery.
  • the battery further comprises a second plate-shaped member which is fixed to the first plate-shaped member.
  • the second plate-shaped element is preferably fixed to the first plate-shaped element by means of screws or the like.
  • the battery further comprises at least one spring element, which with the
  • heat-dissipating element of the battery is in communication. This heat can be transferred from the heat-dissipating element of the battery to the spring element. From the spring element can then heat, for example, to a
  • the spring element is preferably made of a metal material, in particular spring steel, on the one hand resilient properties and
  • the spring element is preferably a cylindrical spring or a leaf spring. It should also be noted that more preferably also a plurality of spring elements can be provided to improve heat dissipation.
  • the heat conducting strip has a contact region which contacts at least 20% of a lateral surface of the battery cell.
  • a reliable heat dissipation from the battery cell to the skilletleitstsammlung and the sauceleitstMail can then be achieved on the heat dissipating element.
  • the contact region of the heat tether contacts at least 25% of the lateral surface of the battery cell.
  • the battery cell is particularly preferably cylindrical and the contact area contacts the battery cell on the cylindrical jacket region of the battery cell.
  • the present invention relates to a vehicle drivable with muscle power and / or engine power, in particular an electric bicycle, comprising a battery according to the invention.
  • the battery is particularly preferred on Frame of the vehicle arranged so that a large heat sink through the frame of the vehicle present.
  • Figure 1 is a schematic view of an electric bicycle with a battery according to the invention according to a first
  • FIG. 2 shows a schematic sectional view of the battery of FIG. 1 in an enlarged view
  • FIG. 3 shows a schematic sectional view of a battery according to a second exemplary embodiment of the invention
  • Figure 4 is a schematic sectional view of a battery according to a third embodiment of the invention.
  • Figure 5 is a schematic sectional view of a battery according to a fourth embodiment of the invention.
  • the electric bicycle 1 comprises a crank mechanism 2 with two cranks 7, 8 on which pedals are arranged.
  • An electric drive 5 is integrated in the crank mechanism 2.
  • a gearshift 17 is arranged, wherein on the crank mechanism a chainring 18 is provided, so that via a chain 19, the driving force can be transmitted to the rear wheel.
  • To power the electric drive 5 is a battery. 3
  • the battery 3 is fixed to a frame of the electric bicycle 1, more specifically to a down tube 4.
  • the battery 3 can be seen in detail from FIG.
  • the battery 3 includes a plurality of battery cells 30 and a housing 31.
  • the battery cells 30 are cylindrical and arranged in two rows, the lower row being offset from the upper row.
  • the housing 31 includes a plastic main body 32 and a first plate-shaped, heat-dissipating member 9.
  • the heat-dissipating member 9 closes an opening of the plastic main body 32 completely.
  • a circumferential seal 33 is provided between the plastic main body 32 and the heat-dissipating member 9.
  • the first plate-shaped element 9 is in direct contact with the down tube 4 of the frame of the electric bicycle.
  • the side facing the down tube 4 of the first plate-shaped element 9 is also designed arcuate in section, so that the
  • the battery 3 further comprises a plurality of heat conducting strips 6, which, as can be seen in FIG. 2, are arranged between the battery cells 30.
  • a contact region 61 of the heat conducting strip 6 is in contact with the battery cells.
  • the contact region 61 preferably covers approximately 20% of a surface of the cylindrical battery cells 30.
  • the heat conducting strips 6 further comprise heat dissipation regions 60, which are in contact with the heat dissipating element 9.
  • a plurality of heat conducting strips 6 are arranged between the battery cells 30.
  • two different each contact a same battery cell 6, so that a
  • improved heat dissipation of battery cells 30 can be achieved by means of heat conduction.
  • the skilletleitst Shape 6 can be selectively inserted between the battery cells 30 and thus allow effective cooling of the battery cells 30.
  • the heat is then transmitted through the heat dissipating element 9 into the frame of the electric bicycle, which is a large heat sink.
  • FIG. 3 shows a battery 3 according to a second exemplary embodiment of the invention.
  • the battery 3 of the second exemplary embodiment has a first plate-shaped, heat-dissipating element 9 and a second plate-shaped, heat-dissipating element 10.
  • the two plate-shaped elements 9, 10 are connected to each other by means of fixing screws 1 1. Heat from the battery cells 30 is thus transmitted via the heat conducting strips 6 to the first plate-shaped element 9 and from the first plate-shaped element 9 to the second plate-shaped element 10.
  • the second plate-shaped element 10 is then in direct contact with the down tube 4 of the frame of the electric bicycle.
  • FIG. 4 shows a battery 3 according to a third exemplary embodiment of the invention.
  • the third embodiment is similar to the first one
  • Embodiment wherein additionally between the plate-shaped, heat-dissipating element 9 and the down tube 4 spring elements 12th are provided.
  • the spring elements 12 are cylindrical coil springs in this embodiment.
  • pins 34 are provided on the side of the plate-shaped, heat-dissipating element 9 directed toward the down tube 4 in order to center the cylinder springs. In this way, a vibration damping of the battery 3 can be achieved because the spring elements do not transmit vibrations from the frame directly to the battery 3.
  • FIG. 5 shows a battery 3 according to a fourth exemplary embodiment of the invention.
  • spring elements are also provided between the battery 3 and the down tube 4, wherein in the fourth embodiment
  • Spring elements are designed as leaf springs 13.
  • the leaf springs 13 are connected by means of bolts 14 on the plate-shaped, heat-dissipating element 9 of the battery 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention concerne une batterie comprenant une pluralité de cellules de batterie (30), un boîtier (31), les cellules de batterie (30) étant disposées dans le boîtier (31), et au moins une bande de conduction de chaleur (6) qui est disposée entre les cellules de batterie (30) et qui est en contact avec au moins une des cellules de batterie (30) au moyen d'une zone de contact (61) ; la bande de conduction de chaleur (6) comprend une zone de dissipation de chaleur (60) qui est adaptée pour le contact avec un élément de dissipation de chaleur (9).
EP15775443.3A 2014-12-04 2015-10-06 Vélo électrique Active EP3227938B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15775443T PL3227938T3 (pl) 2014-12-04 2015-10-06 Rower elektryczny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014224907.4A DE102014224907A1 (de) 2014-12-04 2014-12-04 Batterie mit verbesserter Wärmeabfuhr
PCT/EP2015/072984 WO2016087088A1 (fr) 2014-12-04 2015-10-06 Batterie ayant une meilleure dissipation de chaleur

Publications (2)

Publication Number Publication Date
EP3227938A1 true EP3227938A1 (fr) 2017-10-11
EP3227938B1 EP3227938B1 (fr) 2019-04-24

Family

ID=54256749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15775443.3A Active EP3227938B1 (fr) 2014-12-04 2015-10-06 Vélo électrique

Country Status (6)

Country Link
EP (1) EP3227938B1 (fr)
CN (1) CN107004801B (fr)
DE (1) DE102014224907A1 (fr)
PL (1) PL3227938T3 (fr)
TW (1) TWI678017B (fr)
WO (1) WO2016087088A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018210738A1 (de) * 2018-06-29 2020-01-02 Robert Bosch Gmbh Toleranzausgleichselement für ein Haltesystem eines Energiespeichers

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4079572B2 (ja) * 2000-04-14 2008-04-23 松下電器産業株式会社 電池パック
JP3764332B2 (ja) * 2000-10-26 2006-04-05 松下電器産業株式会社 電池パック
CN201303011Y (zh) * 2008-11-21 2009-09-02 天津力神电池股份有限公司 电动自行车锂离子电池组的减震壳体
DE102009058070A1 (de) * 2009-12-14 2011-06-16 Behr Gmbh & Co. Kg Kühlvorrichtung für ein Batteriemodul
DE102010009063A1 (de) * 2010-02-23 2011-08-25 Auto-Kabel Managementgesellschaft mbH, 79688 Halteelement für elektrische Energiespeicher
TWI442615B (zh) * 2010-03-09 2014-06-21 Sanyo Electric Co Battery pack with lead plate
CN103038919B (zh) * 2010-07-01 2015-09-02 江森自控帅福得先进能源动力系统有限责任公司 电池系统的热管理
JP5243507B2 (ja) * 2010-09-14 2013-07-24 本田技研工業株式会社 電池モジュール
DE102011103984A1 (de) * 2011-06-10 2012-12-13 Daimler Ag Kühlvorrichtung für eine Batterie
DE102011077349A1 (de) * 2011-06-10 2012-12-13 Sb Limotive Co., Ltd. Batterie und Kraftfahrzeug mit dieser Batterie
CN202977564U (zh) * 2012-12-13 2013-06-05 山东精工电子科技有限公司 船用整体锂离子电池
CN203967156U (zh) * 2014-07-01 2014-11-26 广东亿纬赛恩斯新能源系统有限公司 用于电池模组的减震装置

Also Published As

Publication number Publication date
CN107004801B (zh) 2021-02-19
PL3227938T3 (pl) 2019-11-29
CN107004801A (zh) 2017-08-01
TW201635615A (zh) 2016-10-01
TWI678017B (zh) 2019-11-21
EP3227938B1 (fr) 2019-04-24
DE102014224907A1 (de) 2016-06-09
WO2016087088A1 (fr) 2016-06-09

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